Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 132Get this manual
INSP ADJ POWER UNIT
POWER UNIT
Engine oil level 1Check: Engine oil level Above Check for diluted engine oil and any water leaksBelow Add engine oil so that the level is between and b
Engine oil replacement 1Remove: Oil filler cap Drain plug 2Remove: Oil filter Oil filter wrench: YU-3841190890-01426 3Install: Drain plug 4Install: Oil filter Oil filter: 18 Nm (1.8 mkg, 13 ftlb)